/work/obj-fuzz/dom/bindings/RTCRtpSenderBinding.cpp

Source (jump to first uncovered line)
/* THIS FILE IS AUTOGENERATED FROM RTCRtpSender.webidl BY Codegen.py - DO NOT EDIT */

#include "AtomList.h"
#include "DOMMediaStream.h"
#include "RTCDTMFSenderBinding.h"
#include "RTCPeerConnectionBinding.h"
#include "RTCRtpSenderBinding.h"
#include "WrapperFactory.h"
#include "jsapi.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/OwningNonNull.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMJSClass.h"
#include "mozilla/dom/MediaStreamTrack.h"
#include "mozilla/dom/NonRefcountedDOMObject.h"
#include "mozilla/dom/Nullable.h"
#include "mozilla/dom/PrimitiveConversions.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/ToJSValue.h"
#include "mozilla/dom/XrayExpandoClass.h"
#include "nsContentUtils.h"
#include "nsIGlobalObject.h"

namespace mozilla {
namespace dom {

namespace binding_detail {}; // Just to make sure it's known as a namespace
using namespace mozilla::dom::binding_detail;


namespace RTCPriorityTypeValues {
extern const EnumEntry strings[5] = {
  {"very-low", 8},
  {"low", 3},
  {"medium", 6},
  {"high", 4},
  { nullptr, 0 }
};
} // namespace RTCPriorityTypeValues

bool
ToJSValue(JSContext* aCx, RTCPriorityType aArgument, JS::MutableHandle<JS::Value> aValue)
{
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(RTCPriorityTypeValues::strings));
  JSString* resultStr =
    JS_NewStringCopyN(aCx, RTCPriorityTypeValues::strings[uint32_t(aArgument)].value,
                      RTCPriorityTypeValues::strings[uint32_t(aArgument)].length);
  if (!resultStr) {
    return false;
  }
  aValue.setString(resultStr);
  return true;
}


namespace RTCDegradationPreferenceValues {
extern const EnumEntry strings[4] = {
  {"maintain-framerate", 18},
  {"maintain-resolution", 19},
  {"balanced", 8},
  { nullptr, 0 }
};
} // namespace RTCDegradationPreferenceValues

bool
ToJSValue(JSContext* aCx, RTCDegradationPreference aArgument, JS::MutableHandle<JS::Value> aValue)
{
  MOZ_ASSERT(uint32_t(aArgument) < ArrayLength(RTCDegradationPreferenceValues::strings));
  JSString* resultStr =
    JS_NewStringCopyN(aCx, RTCDegradationPreferenceValues::strings[uint32_t(aArgument)].value,
                      RTCDegradationPreferenceValues::strings[uint32_t(aArgument)].length);
  if (!resultStr) {
    return false;
  }
  aValue.setString(resultStr);
  return true;
}



RTCFecParameters::RTCFecParameters()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
RTCFecParameters::InitIds(JSContext* cx, RTCFecParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->ssrc_id.init(cx, "ssrc")) {
    return false;
  }
  return true;
}

bool
RTCFecParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  RTCFecParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<RTCFecParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->ssrc_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mSsrc.Construct();
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &(mSsrc.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }
  return true;
}

bool
RTCFecParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
RTCFecParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  RTCFecParametersAtoms* atomsCache = GetAtomCache<RTCFecParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  if (mSsrc.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      uint32_t const & currentValue = mSsrc.InternalValue();
      temp.setNumber(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->ssrc_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  return true;
}

bool
RTCFecParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
RTCFecParameters::TraceDictionary(JSTracer* trc)
{
}

RTCFecParameters&
RTCFecParameters::operator=(const RTCFecParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mSsrc.Reset();
  if (aOther.mSsrc.WasPassed()) {
    mSsrc.Construct(aOther.mSsrc.Value());
  }
  return *this;
}

namespace binding_detail {
} // namespace binding_detail



RTCRtcpParameters::RTCRtcpParameters()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
RTCRtcpParameters::InitIds(JSContext* cx, RTCRtcpParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->reducedSize_id.init(cx, "reducedSize") ||
      !atomsCache->cname_id.init(cx, "cname")) {
    return false;
  }
  return true;
}

bool
RTCRtcpParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  RTCRtcpParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<RTCRtcpParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->cname_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mCname.Construct();
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, (mCname.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->reducedSize_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mReducedSize.Construct();
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &(mReducedSize.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }
  return true;
}

bool
RTCRtcpParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
RTCRtcpParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  RTCRtcpParametersAtoms* atomsCache = GetAtomCache<RTCRtcpParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  if (mCname.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      nsString const & currentValue = mCname.InternalValue();
      if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
        return false;
      }
      if (!JS_DefinePropertyById(cx, obj, atomsCache->cname_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mReducedSize.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      bool const & currentValue = mReducedSize.InternalValue();
      temp.setBoolean(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->reducedSize_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  return true;
}

bool
RTCRtcpParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
RTCRtcpParameters::TraceDictionary(JSTracer* trc)
{
}

RTCRtcpParameters&
RTCRtcpParameters::operator=(const RTCRtcpParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mCname.Reset();
  if (aOther.mCname.WasPassed()) {
    mCname.Construct(aOther.mCname.Value());
  }
  mReducedSize.Reset();
  if (aOther.mReducedSize.WasPassed()) {
    mReducedSize.Construct(aOther.mReducedSize.Value());
  }
  return *this;
}

namespace binding_detail {
} // namespace binding_detail



RTCRtpCodecParameters::RTCRtpCodecParameters()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
RTCRtpCodecParameters::InitIds(JSContext* cx, RTCRtpCodecParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->sdpFmtpLine_id.init(cx, "sdpFmtpLine") ||
      !atomsCache->payloadType_id.init(cx, "payloadType") ||
      !atomsCache->mimeType_id.init(cx, "mimeType") ||
      !atomsCache->clockRate_id.init(cx, "clockRate") ||
      !atomsCache->channels_id.init(cx, "channels")) {
    return false;
  }
  return true;
}

bool
RTCRtpCodecParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  RTCRtpCodecParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<RTCRtpCodecParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->channels_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<uint16_t, eDefault>(cx, temp.ref(), &mChannels)) {
      return false;
    }
  } else {
    mChannels = 1;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->clockRate_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mClockRate.Construct();
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &(mClockRate.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->mimeType_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mMimeType.Construct();
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, (mMimeType.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->payloadType_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mPayloadType.Construct();
    if (!ValueToPrimitive<uint16_t, eDefault>(cx, temp.ref(), &(mPayloadType.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->sdpFmtpLine_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mSdpFmtpLine.Construct();
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, (mSdpFmtpLine.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }
  return true;
}

bool
RTCRtpCodecParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
RTCRtpCodecParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  RTCRtpCodecParametersAtoms* atomsCache = GetAtomCache<RTCRtpCodecParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    uint16_t const & currentValue = mChannels;
    temp.setInt32(int32_t(currentValue));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->channels_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  if (mClockRate.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      uint32_t const & currentValue = mClockRate.InternalValue();
      temp.setNumber(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->clockRate_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mMimeType.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      nsString const & currentValue = mMimeType.InternalValue();
      if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
        return false;
      }
      if (!JS_DefinePropertyById(cx, obj, atomsCache->mimeType_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mPayloadType.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      uint16_t const & currentValue = mPayloadType.InternalValue();
      temp.setInt32(int32_t(currentValue));
      if (!JS_DefinePropertyById(cx, obj, atomsCache->payloadType_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mSdpFmtpLine.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      nsString const & currentValue = mSdpFmtpLine.InternalValue();
      if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
        return false;
      }
      if (!JS_DefinePropertyById(cx, obj, atomsCache->sdpFmtpLine_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  return true;
}

bool
RTCRtpCodecParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
RTCRtpCodecParameters::TraceDictionary(JSTracer* trc)
{
}

RTCRtpCodecParameters&
RTCRtpCodecParameters::operator=(const RTCRtpCodecParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mChannels = aOther.mChannels;
  mClockRate.Reset();
  if (aOther.mClockRate.WasPassed()) {
    mClockRate.Construct(aOther.mClockRate.Value());
  }
  mMimeType.Reset();
  if (aOther.mMimeType.WasPassed()) {
    mMimeType.Construct(aOther.mMimeType.Value());
  }
  mPayloadType.Reset();
  if (aOther.mPayloadType.WasPassed()) {
    mPayloadType.Construct(aOther.mPayloadType.Value());
  }
  mSdpFmtpLine.Reset();
  if (aOther.mSdpFmtpLine.WasPassed()) {
    mSdpFmtpLine.Construct(aOther.mSdpFmtpLine.Value());
  }
  return *this;
}

namespace binding_detail {
} // namespace binding_detail



RTCRtpHeaderExtensionParameters::RTCRtpHeaderExtensionParameters()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
RTCRtpHeaderExtensionParameters::InitIds(JSContext* cx, RTCRtpHeaderExtensionParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->uri_id.init(cx, "uri") ||
      !atomsCache->id_id.init(cx, "id") ||
      !atomsCache->encrypted_id.init(cx, "encrypted")) {
    return false;
  }
  return true;
}

bool
RTCRtpHeaderExtensionParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  RTCRtpHeaderExtensionParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<RTCRtpHeaderExtensionParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->encrypted_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mEncrypted.Construct();
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &(mEncrypted.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->id_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mId.Construct();
    if (!ValueToPrimitive<uint16_t, eDefault>(cx, temp.ref(), &(mId.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->uri_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mUri.Construct();
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, (mUri.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }
  return true;
}

bool
RTCRtpHeaderExtensionParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
RTCRtpHeaderExtensionParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  RTCRtpHeaderExtensionParametersAtoms* atomsCache = GetAtomCache<RTCRtpHeaderExtensionParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  if (mEncrypted.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      bool const & currentValue = mEncrypted.InternalValue();
      temp.setBoolean(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->encrypted_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mId.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      uint16_t const & currentValue = mId.InternalValue();
      temp.setInt32(int32_t(currentValue));
      if (!JS_DefinePropertyById(cx, obj, atomsCache->id_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mUri.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      nsString const & currentValue = mUri.InternalValue();
      if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
        return false;
      }
      if (!JS_DefinePropertyById(cx, obj, atomsCache->uri_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  return true;
}

bool
RTCRtpHeaderExtensionParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
RTCRtpHeaderExtensionParameters::TraceDictionary(JSTracer* trc)
{
}

RTCRtpHeaderExtensionParameters&
RTCRtpHeaderExtensionParameters::operator=(const RTCRtpHeaderExtensionParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mEncrypted.Reset();
  if (aOther.mEncrypted.WasPassed()) {
    mEncrypted.Construct(aOther.mEncrypted.Value());
  }
  mId.Reset();
  if (aOther.mId.WasPassed()) {
    mId.Construct(aOther.mId.Value());
  }
  mUri.Reset();
  if (aOther.mUri.WasPassed()) {
    mUri.Construct(aOther.mUri.Value());
  }
  return *this;
}

namespace binding_detail {
} // namespace binding_detail



RTCRtxParameters::RTCRtxParameters()
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
RTCRtxParameters::InitIds(JSContext* cx, RTCRtxParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->ssrc_id.init(cx, "ssrc")) {
    return false;
  }
  return true;
}

bool
RTCRtxParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  RTCRtxParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<RTCRtxParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->ssrc_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mSsrc.Construct();
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &(mSsrc.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }
  return true;
}

bool
RTCRtxParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
RTCRtxParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  RTCRtxParametersAtoms* atomsCache = GetAtomCache<RTCRtxParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  if (mSsrc.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      uint32_t const & currentValue = mSsrc.InternalValue();
      temp.setNumber(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->ssrc_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  return true;
}

bool
RTCRtxParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
RTCRtxParameters::TraceDictionary(JSTracer* trc)
{
}

RTCRtxParameters&
RTCRtxParameters::operator=(const RTCRtxParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mSsrc.Reset();
  if (aOther.mSsrc.WasPassed()) {
    mSsrc.Construct(aOther.mSsrc.Value());
  }
  return *this;
}

namespace binding_detail {
} // namespace binding_detail



RTCRtpEncodingParameters::RTCRtpEncodingParameters()
  : mFec(FastDictionaryInitializer()),
    mRtx(FastDictionaryInitializer())
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
RTCRtpEncodingParameters::InitIds(JSContext* cx, RTCRtpEncodingParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->ssrc_id.init(cx, "ssrc") ||
      !atomsCache->scaleResolutionDownBy_id.init(cx, "scaleResolutionDownBy") ||
      !atomsCache->rtx_id.init(cx, "rtx") ||
      !atomsCache->rid_id.init(cx, "rid") ||
      !atomsCache->priority_id.init(cx, "priority") ||
      !atomsCache->maxBitrate_id.init(cx, "maxBitrate") ||
      !atomsCache->fec_id.init(cx, "fec") ||
      !atomsCache->degradationPreference_id.init(cx, "degradationPreference") ||
      !atomsCache->active_id.init(cx, "active")) {
    return false;
  }
  return true;
}

bool
RTCRtpEncodingParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  RTCRtpEncodingParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<RTCRtpEncodingParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->active_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mActive.Construct();
    if (!ValueToPrimitive<bool, eDefault>(cx, temp.ref(), &(mActive.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->degradationPreference_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    {
      int index;
      if (!FindEnumStringIndex<true>(cx, temp.ref(), RTCDegradationPreferenceValues::strings, "RTCDegradationPreference", "'degradationPreference' member of RTCRtpEncodingParameters", &index)) {
        return false;
      }
      MOZ_ASSERT(index >= 0);
      mDegradationPreference = static_cast<RTCDegradationPreference>(index);
    }
  } else {
    mDegradationPreference = RTCDegradationPreference::Balanced;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->fec_id, temp.ptr())) {
      return false;
    }
  }
  if (!mFec.Init(cx, (!isNull && !temp->isUndefined()) ? temp.ref() : JS::NullHandleValue,  "'fec' member of RTCRtpEncodingParameters", passedToJSImpl)) {
    return false;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->maxBitrate_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mMaxBitrate.Construct();
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &(mMaxBitrate.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->priority_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mPriority.Construct();
    {
      int index;
      if (!FindEnumStringIndex<true>(cx, temp.ref(), RTCPriorityTypeValues::strings, "RTCPriorityType", "'priority' member of RTCRtpEncodingParameters", &index)) {
        return false;
      }
      MOZ_ASSERT(index >= 0);
      (mPriority.Value()) = static_cast<RTCPriorityType>(index);
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->rid_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mRid.Construct();
    if (!ConvertJSValueToString(cx, temp.ref(), eStringify, eStringify, (mRid.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->rtx_id, temp.ptr())) {
      return false;
    }
  }
  if (!mRtx.Init(cx, (!isNull && !temp->isUndefined()) ? temp.ref() : JS::NullHandleValue,  "'rtx' member of RTCRtpEncodingParameters", passedToJSImpl)) {
    return false;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->scaleResolutionDownBy_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    if (!ValueToPrimitive<float, eDefault>(cx, temp.ref(), &mScaleResolutionDownBy)) {
      return false;
    } else if (!mozilla::IsFinite(mScaleResolutionDownBy)) {
      ThrowErrorMessage(cx, MSG_NOT_FINITE, "'scaleResolutionDownBy' member of RTCRtpEncodingParameters");
      return false;
    }
  } else {
    mScaleResolutionDownBy = 1.0F;
  }
  mIsAnyMemberPresent = true;

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->ssrc_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mSsrc.Construct();
    if (!ValueToPrimitive<uint32_t, eDefault>(cx, temp.ref(), &(mSsrc.Value()))) {
      return false;
    }
    mIsAnyMemberPresent = true;
  }
  return true;
}

bool
RTCRtpEncodingParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
RTCRtpEncodingParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  RTCRtpEncodingParametersAtoms* atomsCache = GetAtomCache<RTCRtpEncodingParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  if (mActive.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      bool const & currentValue = mActive.InternalValue();
      temp.setBoolean(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->active_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    RTCDegradationPreference const & currentValue = mDegradationPreference;
    if (!ToJSValue(cx, currentValue, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->degradationPreference_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    RTCFecParameters const & currentValue = mFec;
    if (!currentValue.ToObjectInternal(cx, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->fec_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  if (mMaxBitrate.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      uint32_t const & currentValue = mMaxBitrate.InternalValue();
      temp.setNumber(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->maxBitrate_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mPriority.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      RTCPriorityType const & currentValue = mPriority.InternalValue();
      if (!ToJSValue(cx, currentValue, &temp)) {
        return false;
      }
      if (!JS_DefinePropertyById(cx, obj, atomsCache->priority_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mRid.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      nsString const & currentValue = mRid.InternalValue();
      if (!xpc::NonVoidStringToJsval(cx, currentValue, &temp)) {
        return false;
      }
      if (!JS_DefinePropertyById(cx, obj, atomsCache->rid_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    RTCRtxParameters const & currentValue = mRtx;
    if (!currentValue.ToObjectInternal(cx, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->rtx_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    float const & currentValue = mScaleResolutionDownBy;
    temp.set(JS_NumberValue(double(currentValue)));
    if (!JS_DefinePropertyById(cx, obj, atomsCache->scaleResolutionDownBy_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  if (mSsrc.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      uint32_t const & currentValue = mSsrc.InternalValue();
      temp.setNumber(currentValue);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->ssrc_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  return true;
}

bool
RTCRtpEncodingParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
RTCRtpEncodingParameters::TraceDictionary(JSTracer* trc)
{
}

RTCRtpEncodingParameters&
RTCRtpEncodingParameters::operator=(const RTCRtpEncodingParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mActive.Reset();
  if (aOther.mActive.WasPassed()) {
    mActive.Construct(aOther.mActive.Value());
  }
  mDegradationPreference = aOther.mDegradationPreference;
  mFec = aOther.mFec;
  mMaxBitrate.Reset();
  if (aOther.mMaxBitrate.WasPassed()) {
    mMaxBitrate.Construct(aOther.mMaxBitrate.Value());
  }
  mPriority.Reset();
  if (aOther.mPriority.WasPassed()) {
    mPriority.Construct(aOther.mPriority.Value());
  }
  mRid.Reset();
  if (aOther.mRid.WasPassed()) {
    mRid.Construct(aOther.mRid.Value());
  }
  mRtx = aOther.mRtx;
  mScaleResolutionDownBy = aOther.mScaleResolutionDownBy;
  mSsrc.Reset();
  if (aOther.mSsrc.WasPassed()) {
    mSsrc.Construct(aOther.mSsrc.Value());
  }
  return *this;
}

namespace binding_detail {
} // namespace binding_detail



RTCRtpParameters::RTCRtpParameters()
  : mRtcp(FastDictionaryInitializer())
{
  // Safe to pass a null context if we pass a null value
  Init(nullptr, JS::NullHandleValue);
}



bool
RTCRtpParameters::InitIds(JSContext* cx, RTCRtpParametersAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->rtcp_id.init(cx, "rtcp") ||
      !atomsCache->headerExtensions_id.init(cx, "headerExtensions") ||
      !atomsCache->encodings_id.init(cx, "encodings") ||
      !atomsCache->codecs_id.init(cx, "codecs")) {
    return false;
  }
  return true;
}

bool
RTCRtpParameters::Init(JSContext* cx, JS::Handle<JS::Value> val, const char* sourceDescription, bool passedToJSImpl)
{
  // Passing a null JSContext is OK only if we're initing from null,
  // Since in that case we will not have to do any property gets
  // Also evaluate isNullOrUndefined in order to avoid false-positive
  // checkers by static analysis tools
  MOZ_ASSERT_IF(!cx, val.isNull() && val.isNullOrUndefined());
  RTCRtpParametersAtoms* atomsCache = nullptr;
  if (cx) {
    atomsCache = GetAtomCache<RTCRtpParametersAtoms>(cx);
    if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
      return false;
    }
  }

  if (!IsConvertibleToDictionary(val)) {
    return ThrowErrorMessage(cx, MSG_NOT_DICTIONARY, sourceDescription);
  }

  bool isNull = val.isNullOrUndefined();
  // We only need these if !isNull, in which case we have |cx|.
  Maybe<JS::Rooted<JSObject *> > object;
  Maybe<JS::Rooted<JS::Value> > temp;
  if (!isNull) {
    MOZ_ASSERT(cx);
    object.emplace(cx, &val.toObject());
    temp.emplace(cx);
  }
  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->codecs_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mCodecs.Construct();
    if (temp.ref().isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(temp.ref(), JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'codecs' member of RTCRtpParameters");
        return false;
      }
      Sequence<RTCRtpCodecParameters> &arr = (mCodecs.Value());
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        RTCRtpCodecParameters* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        RTCRtpCodecParameters& slot = *slotPtr;
        if (!slot.Init(cx, temp,  "Element of 'codecs' member of RTCRtpParameters", passedToJSImpl)) {
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'codecs' member of RTCRtpParameters");
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->encodings_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mEncodings.Construct();
    if (temp.ref().isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(temp.ref(), JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'encodings' member of RTCRtpParameters");
        return false;
      }
      Sequence<RTCRtpEncodingParameters> &arr = (mEncodings.Value());
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        RTCRtpEncodingParameters* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        RTCRtpEncodingParameters& slot = *slotPtr;
        if (!slot.Init(cx, temp,  "Element of 'encodings' member of RTCRtpParameters", passedToJSImpl)) {
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'encodings' member of RTCRtpParameters");
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->headerExtensions_id, temp.ptr())) {
      return false;
    }
  }
  if (!isNull && !temp->isUndefined()) {
    mHeaderExtensions.Construct();
    if (temp.ref().isObject()) {
      JS::ForOfIterator iter(cx);
      if (!iter.init(temp.ref(), JS::ForOfIterator::AllowNonIterable)) {
        return false;
      }
      if (!iter.valueIsIterable()) {
        ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'headerExtensions' member of RTCRtpParameters");
        return false;
      }
      Sequence<RTCRtpHeaderExtensionParameters> &arr = (mHeaderExtensions.Value());
      JS::Rooted<JS::Value> temp(cx);
      while (true) {
        bool done;
        if (!iter.next(&temp, &done)) {
          return false;
        }
        if (done) {
          break;
        }
        RTCRtpHeaderExtensionParameters* slotPtr = arr.AppendElement(mozilla::fallible);
        if (!slotPtr) {
          JS_ReportOutOfMemory(cx);
          return false;
        }
        RTCRtpHeaderExtensionParameters& slot = *slotPtr;
        if (!slot.Init(cx, temp,  "Element of 'headerExtensions' member of RTCRtpParameters", passedToJSImpl)) {
          return false;
        }
      }
    } else {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "'headerExtensions' member of RTCRtpParameters");
      return false;
    }
    mIsAnyMemberPresent = true;
  }

  if (!isNull) {
    if (!JS_GetPropertyById(cx, *object, atomsCache->rtcp_id, temp.ptr())) {
      return false;
    }
  }
  if (!mRtcp.Init(cx, (!isNull && !temp->isUndefined()) ? temp.ref() : JS::NullHandleValue,  "'rtcp' member of RTCRtpParameters", passedToJSImpl)) {
    return false;
  }
  mIsAnyMemberPresent = true;
  return true;
}

bool
RTCRtpParameters::Init(const nsAString& aJSON)
{
  AutoJSAPI jsapi;
  JSObject* cleanGlobal = SimpleGlobalObject::Create(SimpleGlobalObject::GlobalType::BindingDetail);
  if (!cleanGlobal) {
    return false;
  }
  if (!jsapi.Init(cleanGlobal)) {
    return false;
  }
  JSContext* cx = jsapi.cx();
  JS::Rooted<JS::Value> json(cx);
  bool ok = ParseJSON(cx, aJSON, &json);
  NS_ENSURE_TRUE(ok, false);
  return Init(cx, json);
}

bool
RTCRtpParameters::ToObjectInternal(JSContext* cx, JS::MutableHandle<JS::Value> rval) const
{
  RTCRtpParametersAtoms* atomsCache = GetAtomCache<RTCRtpParametersAtoms>(cx);
  if (!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) {
    return false;
  }

  JS::Rooted<JSObject*> obj(cx, JS_NewPlainObject(cx));
  if (!obj) {
    return false;
  }
  rval.set(JS::ObjectValue(*obj));

  if (mCodecs.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      Sequence<RTCRtpCodecParameters> const & currentValue = mCodecs.InternalValue();

      uint32_t length = currentValue.Length();
      JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
      if (!returnArray) {
        return false;
      }
      // Scope for 'tmp'
      {
        JS::Rooted<JS::Value> tmp(cx);
        for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
          // Control block to let us common up the JS_DefineElement calls when there
          // are different ways to succeed at wrapping the object.
          do {
            if (!currentValue[sequenceIdx0].ToObjectInternal(cx, &tmp)) {
              return false;
            }
            break;
          } while (false);
          if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                                JSPROP_ENUMERATE)) {
            return false;
          }
        }
      }
      temp.setObject(*returnArray);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->codecs_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mEncodings.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      Sequence<RTCRtpEncodingParameters> const & currentValue = mEncodings.InternalValue();

      uint32_t length = currentValue.Length();
      JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
      if (!returnArray) {
        return false;
      }
      // Scope for 'tmp'
      {
        JS::Rooted<JS::Value> tmp(cx);
        for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
          // Control block to let us common up the JS_DefineElement calls when there
          // are different ways to succeed at wrapping the object.
          do {
            if (!currentValue[sequenceIdx0].ToObjectInternal(cx, &tmp)) {
              return false;
            }
            break;
          } while (false);
          if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                                JSPROP_ENUMERATE)) {
            return false;
          }
        }
      }
      temp.setObject(*returnArray);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->encodings_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  if (mHeaderExtensions.WasPassed()) {
    do {
      // block for our 'break' successCode and scope for 'temp' and 'currentValue'
      JS::Rooted<JS::Value> temp(cx);
      Sequence<RTCRtpHeaderExtensionParameters> const & currentValue = mHeaderExtensions.InternalValue();

      uint32_t length = currentValue.Length();
      JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
      if (!returnArray) {
        return false;
      }
      // Scope for 'tmp'
      {
        JS::Rooted<JS::Value> tmp(cx);
        for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
          // Control block to let us common up the JS_DefineElement calls when there
          // are different ways to succeed at wrapping the object.
          do {
            if (!currentValue[sequenceIdx0].ToObjectInternal(cx, &tmp)) {
              return false;
            }
            break;
          } while (false);
          if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                                JSPROP_ENUMERATE)) {
            return false;
          }
        }
      }
      temp.setObject(*returnArray);
      if (!JS_DefinePropertyById(cx, obj, atomsCache->headerExtensions_id, temp, JSPROP_ENUMERATE)) {
        return false;
      }
      break;
    } while(false);
  }

  do {
    // block for our 'break' successCode and scope for 'temp' and 'currentValue'
    JS::Rooted<JS::Value> temp(cx);
    RTCRtcpParameters const & currentValue = mRtcp;
    if (!currentValue.ToObjectInternal(cx, &temp)) {
      return false;
    }
    if (!JS_DefinePropertyById(cx, obj, atomsCache->rtcp_id, temp, JSPROP_ENUMERATE)) {
      return false;
    }
    break;
  } while(false);

  return true;
}

bool
RTCRtpParameters::ToJSON(nsAString& aJSON) const
{
  AutoJSAPI jsapi;
  jsapi.Init();
  JSContext *cx = jsapi.cx();
  // It's safe to use UnprivilegedJunkScopeOrWorkerGlobal here
  // because we'll only be creating objects, in ways that have no
  // side-effects, followed by a call to JS::ToJSONMaybeSafely,
  // which likewise guarantees no side-effects for the sorts of
  // things we will pass it.
  JSAutoRealm ar(cx, UnprivilegedJunkScopeOrWorkerGlobal());
  JS::Rooted<JS::Value> val(cx);
  if (!ToObjectInternal(cx, &val)) {
    return false;
  }
  JS::Rooted<JSObject*> obj(cx, &val.toObject());
  return StringifyToJSON(cx, obj, aJSON);
}

void
RTCRtpParameters::TraceDictionary(JSTracer* trc)
{
}

RTCRtpParameters&
RTCRtpParameters::operator=(const RTCRtpParameters& aOther)
{
  DictionaryBase::operator=(aOther);
  mCodecs.Reset();
  if (aOther.mCodecs.WasPassed()) {
    mCodecs.Construct(aOther.mCodecs.Value());
  }
  mEncodings.Reset();
  if (aOther.mEncodings.WasPassed()) {
    mEncodings.Construct(aOther.mEncodings.Value());
  }
  mHeaderExtensions.Reset();
  if (aOther.mHeaderExtensions.WasPassed()) {
    mHeaderExtensions.Construct(aOther.mHeaderExtensions.Value());
  }
  mRtcp = aOther.mRtcp;
  return *this;
}

namespace binding_detail {
} // namespace binding_detail


namespace RTCRtpSender_Binding {

MOZ_CAN_RUN_SCRIPT static bool
get_track(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get RTCRtpSender.track", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::MediaStreamTrack>(self->GetTrack(rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)))));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo track_getterinfo = {
  { (JSJitGetterOp)get_track },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
setParameters(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.setParameters", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  binding_detail::FastRTCRtpParameters arg0;
  if (!arg0.Init(cx, (args.hasDefined(0)) ? args[0] : JS::NullHandleValue,  "Argument 1 of RTCRtpSender.setParameters", true)) {
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<Promise>(self->SetParameters(Constify(arg0), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)))));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
setParameters_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  bool ok = setParameters(cx, obj, self, args);
  if (ok) {
    return true;
  }
  return ConvertExceptionToPromise(cx, args.rval());
}

static const JSJitInfo setParameters_methodinfo = {
  { (JSJitGetterOp)setParameters_promiseWrapper },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getParameters(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.getParameters", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  RTCRtpParameters result;
  self->GetParameters(result, rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result.ToObjectInternal(cx, args.rval())) {
    return false;
  }
  return true;
}

static const JSJitInfo getParameters_methodinfo = {
  { (JSJitGetterOp)getParameters },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
replaceTrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.replaceTrack", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpSender.replaceTrack");
  }
  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  mozilla::dom::MediaStreamTrack* arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::MediaStreamTrack, mozilla::dom::MediaStreamTrack>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of RTCRtpSender.replaceTrack", "MediaStreamTrack");
        return false;
      }
    }
  } else if (args[0].isNullOrUndefined()) {
    arg0 = nullptr;
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of RTCRtpSender.replaceTrack");
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<Promise>(self->ReplaceTrack(MOZ_KnownLive(Constify(arg0)), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)))));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
replaceTrack_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  bool ok = replaceTrack(cx, obj, self, args);
  if (ok) {
    return true;
  }
  return ConvertExceptionToPromise(cx, args.rval());
}

static const JSJitInfo replaceTrack_methodinfo = {
  { (JSJitGetterOp)replaceTrack_promiseWrapper },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getStats(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.getStats", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<Promise>(self->GetStats(rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)))));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!ToJSValue(cx, result, args.rval())) {
    return false;
  }
  return true;
}

MOZ_CAN_RUN_SCRIPT static bool
getStats_promiseWrapper(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  bool ok = getStats(cx, obj, self, args);
  if (ok) {
    return true;
  }
  return ConvertExceptionToPromise(cx, args.rval());
}

static const JSJitInfo getStats_methodinfo = {
  { (JSJitGetterOp)getStats_promiseWrapper },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
get_dtmf(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, JSJitGetterCallArgs args)
{
  AUTO_PROFILER_LABEL_FAST("get RTCRtpSender.dtmf", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  auto result(StrongOrRawPtr<mozilla::dom::RTCDTMFSender>(self->GetDtmf(rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)))));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  if (!result) {
    args.rval().setNull();
    return true;
  }
  if (!GetOrCreateDOMReflector(cx, result, args.rval())) {
    MOZ_ASSERT(JS_IsExceptionPending(cx));
    return false;
  }
  return true;
}

static const JSJitInfo dtmf_getterinfo = {
  { (JSJitGetterOp)get_dtmf },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Getter,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNKNOWN,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
getStreams(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.getStreams", DOM, cx);

  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  nsTArray<StrongPtrForMember<mozilla::DOMMediaStream>::Type> result;
  self->GetStreams(result, rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));

  uint32_t length = result.Length();
  JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
  if (!returnArray) {
    return false;
  }
  // Scope for 'tmp'
  {
    JS::Rooted<JS::Value> tmp(cx);
    for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
      // Control block to let us common up the JS_DefineElement calls when there
      // are different ways to succeed at wrapping the object.
      do {
        if (!GetOrCreateDOMReflector(cx, result[sequenceIdx0], &tmp)) {
          MOZ_ASSERT(JS_IsExceptionPending(cx));
          return false;
        }
        break;
      } while (false);
      if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                            JSPROP_ENUMERATE)) {
        return false;
      }
    }
  }
  args.rval().setObject(*returnArray);
  return true;
}

static const JSJitInfo getStreams_methodinfo = {
  { (JSJitGetterOp)getStreams },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_OBJECT,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
setStreams(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.setStreams", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpSender.setStreams");
  }
  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  binding_detail::AutoSequence<OwningNonNull<mozilla::DOMMediaStream>> arg0;
  if (args[0].isObject()) {
    JS::ForOfIterator iter(cx);
    if (!iter.init(args[0], JS::ForOfIterator::AllowNonIterable)) {
      return false;
    }
    if (!iter.valueIsIterable()) {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of RTCRtpSender.setStreams");
      return false;
    }
    binding_detail::AutoSequence<OwningNonNull<mozilla::DOMMediaStream>> &arr = arg0;
    JS::Rooted<JS::Value> temp(cx);
    while (true) {
      bool done;
      if (!iter.next(&temp, &done)) {
        return false;
      }
      if (done) {
        break;
      }
      OwningNonNull<mozilla::DOMMediaStream>* slotPtr = arr.AppendElement(mozilla::fallible);
      if (!slotPtr) {
        JS_ReportOutOfMemory(cx);
        return false;
      }
      OwningNonNull<mozilla::DOMMediaStream>& slot = *slotPtr;
      if (temp.isObject()) {
        static_assert(IsRefcounted<mozilla::DOMMediaStream>::value, "We can only store refcounted classes.");{
          nsresult rv = UnwrapObject<prototypes::id::MediaStream, mozilla::DOMMediaStream>(&temp, slot);
          if (NS_FAILED(rv)) {
            ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Element of argument 1 of RTCRtpSender.setStreams", "MediaStream");
            return false;
          }
        }
      } else {
        ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Element of argument 1 of RTCRtpSender.setStreams");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Argument 1 of RTCRtpSender.setStreams");
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  self->SetStreams(Constify(arg0), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setStreams_methodinfo = {
  { (JSJitGetterOp)setStreams },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
setTrack(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.setTrack", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpSender.setTrack");
  }
  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  mozilla::dom::MediaStreamTrack* arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::MediaStreamTrack, mozilla::dom::MediaStreamTrack>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of RTCRtpSender.setTrack", "MediaStreamTrack");
        return false;
      }
    }
  } else if (args[0].isNullOrUndefined()) {
    arg0 = nullptr;
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of RTCRtpSender.setTrack");
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  self->SetTrack(MOZ_KnownLive(Constify(arg0)), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo setTrack_methodinfo = {
  { (JSJitGetterOp)setTrack },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

MOZ_CAN_RUN_SCRIPT static bool
checkWasCreatedByPc(JSContext* cx, JS::Handle<JSObject*> obj, mozilla::dom::RTCRtpSender* self, const JSJitMethodCallArgs& args)
{
  AUTO_PROFILER_LABEL_FAST("RTCRtpSender.checkWasCreatedByPc", DOM, cx);

  if (MOZ_UNLIKELY(args.length() < 1)) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpSender.checkWasCreatedByPc");
  }
  Maybe<JS::Rooted<JSObject*> > unwrappedObj;
  bool objIsXray = xpc::WrapperFactory::IsXrayWrapper(obj);
  if (objIsXray) {
    unwrappedObj.emplace(cx, obj);
  }
  NonNull<mozilla::dom::RTCPeerConnection> arg0;
  if (args[0].isObject()) {
    {
      nsresult rv = UnwrapObject<prototypes::id::RTCPeerConnection, mozilla::dom::RTCPeerConnection>(args[0], arg0);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Argument 1 of RTCRtpSender.checkWasCreatedByPc", "RTCPeerConnection");
        return false;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of RTCRtpSender.checkWasCreatedByPc");
    return false;
  }
  if (objIsXray) {
    unwrappedObj.ref() = js::CheckedUnwrap(unwrappedObj.ref());
    if (!unwrappedObj.ref()) {
      return false;
    }
  }
  FastErrorResult rv;
  self->CheckWasCreatedByPc(MOZ_KnownLive(NonNullHelper(arg0)), rv, (unwrappedObj ? js::GetNonCCWObjectRealm(*unwrappedObj) : js::GetContextRealm(cx)));
  if (MOZ_UNLIKELY(rv.MaybeSetPendingException(cx))) {
    return false;
  }
  MOZ_ASSERT(!JS_IsExceptionPending(cx));
  args.rval().setUndefined();
  return true;
}

static const JSJitInfo checkWasCreatedByPc_methodinfo = {
  { (JSJitGetterOp)checkWasCreatedByPc },
  { prototypes::id::RTCRtpSender },
  { PrototypeTraits<prototypes::id::RTCRtpSender>::Depth },
  JSJitInfo::Method,
  JSJitInfo::AliasEverything, /* aliasSet.  Not relevant for setters. */
  JSVAL_TYPE_UNDEFINED,  /* returnType.  Not relevant for setters. */
  false,  /* isInfallible. False in setters. */
  false,  /* isMovable.  Not relevant for setters. */
  false, /* isEliminatable.  Not relevant for setters. */
  false, /* isAlwaysInSlot.  Only relevant for getters. */
  false, /* isLazilyCachedInSlot.  Only relevant for getters. */
  false,  /* isTypedMethod.  Only relevant for methods. */
  0   /* Reserved slot index, if we're stored in a slot, else 0. */
};
static_assert(0 <= JSJitInfo::maxSlotIndex, "We won't fit");
static_assert(0 < 1, "There is no slot for us");

static bool
_addProperty(JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<jsid> id, JS::Handle<JS::Value> val)
{
  mozilla::dom::RTCRtpSender* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCRtpSender>(obj);
  // We don't want to preserve if we don't have a wrapper, and we
  // obviously can't preserve if we're not initialized.
  if (self && self->GetWrapperPreserveColor()) {
    PreserveWrapper(self);
  }
  return true;
}

static void
_finalize(js::FreeOp* fop, JSObject* obj)
{
  mozilla::dom::RTCRtpSender* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCRtpSender>(obj);
  if (self) {
    ClearWrapper(self, self, obj);
    AddForDeferredFinalization<mozilla::dom::RTCRtpSender>(self);
  }
}

static size_t
_objectMoved(JSObject* obj, JSObject* old)
{
  mozilla::dom::RTCRtpSender* self = UnwrapPossiblyNotInitializedDOMObject<mozilla::dom::RTCRtpSender>(obj);
  if (self) {
    UpdateWrapper(self, self, obj, old);
  }

  return 0;
}

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sChromeStaticMethods_specs[] = {
  JS_FNSPEC("_create", RTCRtpSender::_Create, nullptr, 2, 0, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sChromeStaticMethods[] = {
  { nullptr, &sChromeStaticMethods_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sMethods_specs[] = {
  JS_FNSPEC("setParameters", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&setParameters_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getParameters", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getParameters_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("replaceTrack", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&replaceTrack_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("getStats", (GenericMethod<NormalThisPolicy, ConvertExceptionsToPromises>), reinterpret_cast<const JSJitInfo*>(&getStats_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sMethods[] = {
  { nullptr, &sMethods_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSFunctionSpec sChromeMethods_specs[] = {
  JS_FNSPEC("getStreams", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&getStreams_methodinfo), 0, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("setStreams", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&setStreams_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("setTrack", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&setTrack_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FNSPEC("checkWasCreatedByPc", (GenericMethod<NormalThisPolicy, ThrowExceptions>), reinterpret_cast<const JSJitInfo*>(&checkWasCreatedByPc_methodinfo), 1, JSPROP_ENUMERATE, nullptr),
  JS_FS_END
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif


static const Prefable<const JSFunctionSpec> sChromeMethods[] = {
  { nullptr, &sChromeMethods_specs[0] },
  { nullptr, nullptr }
};

static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(4 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");

// We deliberately use brace-elision to make Visual Studio produce better initalization code.
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
static const JSPropertySpec sAttributes_specs[] = {
  { "track", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &track_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr },
  { "dtmf", JSPROP_ENUMERATE, GenericGetter<NormalThisPolicy, ThrowExceptions>, &dtmf_getterinfo, nullptr, nullptr },
  { nullptr, 0, nullptr, nullptr, nullptr, nullptr }
};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif

// Can't be const because the pref-enabled boolean needs to be writable
static PrefableDisablers sAttributes_disablers2 = {
  true, false, 0, nullptr
};

static const Prefable<const JSPropertySpec> sAttributes[] = {
  { nullptr, &sAttributes_specs[0] },
  { &sAttributes_disablers2, &sAttributes_specs[2] },
  { nullptr, nullptr }
};

static_assert(2 <= 1ull << NUM_BITS_PROPERTY_INFO_PREF_INDEX,
    "We have a prefable index that is >= (1 << NUM_BITS_PROPERTY_INFO_PREF_INDEX)");
static_assert(1 <= 1ull << NUM_BITS_PROPERTY_INFO_SPEC_INDEX,
    "We have a spec index that is >= (1 << NUM_BITS_PROPERTY_INFO_SPEC_INDEX)");


static uint16_t sNativeProperties_sortedPropertyIndices[6];
static PropertyInfo sNativeProperties_propertyInfos[6];

static const NativePropertiesN<2> sNativeProperties = {
  false, 0,
  false, 0,
  true,  0 /* sMethods */,
  true,  1 /* sAttributes */,
  false, 0,
  false, 0,
  false, 0,
  -1,
  6,
  sNativeProperties_sortedPropertyIndices,
  {
    { sMethods, &sNativeProperties_propertyInfos[0] },
    { sAttributes, &sNativeProperties_propertyInfos[4] }
  }
};
static_assert(6 < 1ull << CHAR_BIT * sizeof(sNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static uint16_t sChromeOnlyNativeProperties_sortedPropertyIndices[5];
static PropertyInfo sChromeOnlyNativeProperties_propertyInfos[5];

static const NativePropertiesN<2> sChromeOnlyNativeProperties = {
  true,  0 /* sChromeStaticMethods */,
  false, 0,
  true,  1 /* sChromeMethods */,
  false, 0,
  false, 0,
  false, 0,
  false, 0,
  -1,
  5,
  sChromeOnlyNativeProperties_sortedPropertyIndices,
  {
    { sChromeStaticMethods, &sChromeOnlyNativeProperties_propertyInfos[0] },
    { sChromeMethods, &sChromeOnlyNativeProperties_propertyInfos[1] }
  }
};
static_assert(5 < 1ull << CHAR_BIT * sizeof(sChromeOnlyNativeProperties.propertyInfoCount),
    "We have a property info count that is oversized");

static const DOMIfaceAndProtoJSClass sInterfaceObjectClass = {
  {
    "Function",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_SLOTS_BASE),
    &sBoringInterfaceObjectClassClassOps,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    &sInterfaceObjectClassObjectOps
  },
  eInterface,
  true,
  prototypes::id::RTCRtpSender,
  PrototypeTraits<prototypes::id::RTCRtpSender>::Depth,
  sNativePropertyHooks,
  "function RTCRtpSender() {\n    [native code]\n}",
  JS::GetRealmFunctionPrototype
};

static const DOMIfaceAndProtoJSClass sPrototypeClass = {
  {
    "RTCRtpSenderPrototype",
    JSCLASS_IS_DOMIFACEANDPROTOJSCLASS | JSCLASS_HAS_RESERVED_SLOTS(DOM_INTERFACE_PROTO_SLOTS_BASE),
    JS_NULL_CLASS_OPS,
    JS_NULL_CLASS_SPEC,
    JS_NULL_CLASS_EXT,
    JS_NULL_OBJECT_OPS
  },
  eInterfacePrototype,
  false,
  prototypes::id::RTCRtpSender,
  PrototypeTraits<prototypes::id::RTCRtpSender>::Depth,
  sNativePropertyHooks,
  "[object RTCRtpSenderPrototype]",
  JS::GetRealmObjectPrototype
};

bool
ConstructorEnabled(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
  static bool sPrefValue;
  static bool sPrefCacheSetUp = false;
  if (!sPrefCacheSetUp) {
    sPrefCacheSetUp = true;
    Preferences::AddBoolVarCache(&sPrefValue, "media.peerconnection.enabled");
  }

  return sPrefValue;
}

static const js::ClassOps sClassOps = {
  _addProperty, /* addProperty */
  nullptr,               /* delProperty */
  nullptr,               /* enumerate */
  nullptr, /* newEnumerate */
  nullptr, /* resolve */
  nullptr, /* mayResolve */
  _finalize, /* finalize */
  nullptr, /* call */
  nullptr,               /* hasInstance */
  nullptr,               /* construct */
  nullptr, /* trace */
};

static const js::ClassExtension sClassExtension = {
  nullptr, /* weakmapKeyDelegateOp */
  _objectMoved /* objectMovedOp */
};

static const DOMJSClass sClass = {
  { "RTCRtpSender",
    JSCLASS_IS_DOMJSCLASS | JSCLASS_FOREGROUND_FINALIZE | JSCLASS_HAS_RESERVED_SLOTS(1),
    &sClassOps,
    JS_NULL_CLASS_SPEC,
    &sClassExtension,
    JS_NULL_OBJECT_OPS
  },
  { prototypes::id::RTCRtpSender, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count, prototypes::id::_ID_Count },
  IsBaseOf<nsISupports, mozilla::dom::RTCRtpSender >::value,
  sNativePropertyHooks,
  FindAssociatedGlobalForNative<mozilla::dom::RTCRtpSender>::Get,
  GetProtoObjectHandle,
  GetCCParticipant<mozilla::dom::RTCRtpSender>::Get()
};
static_assert(1 == DOM_INSTANCE_RESERVED_SLOTS,
              "Must have the right minimal number of reserved slots.");
static_assert(1 >= 1,
              "Must have enough reserved slots.");

const JSClass*
GetJSClass()
{
  return sClass.ToJSClass();
}

bool
Wrap(JSContext* aCx, mozilla::dom::RTCRtpSender* aObject, nsWrapperCache* aCache, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
{
  static_assert(!IsBaseOf<NonRefcountedDOMObject, mozilla::dom::RTCRtpSender>::value,
                "Shouldn't have wrappercached things that are not refcounted.");
  MOZ_ASSERT(static_cast<mozilla::dom::RTCRtpSender*>(aObject) ==
             reinterpret_cast<mozilla::dom::RTCRtpSender*>(aObject),
             "Multiple inheritance for mozilla::dom::RTCRtpSender is broken.");
  MOZ_ASSERT(ToSupportsIsCorrect(aObject));
  MOZ_ASSERT_IF(aGivenProto, js::IsObjectInContextCompartment(aGivenProto, aCx));
  MOZ_ASSERT(!aCache->GetWrapper(),
             "You should probably not be using Wrap() directly; use "
             "GetOrCreateDOMReflector instead");

  MOZ_ASSERT(ToSupportsIsOnPrimaryInheritanceChain(aObject, aCache),
             "nsISupports must be on our primary inheritance chain");

  JS::Rooted<JSObject*> global(aCx, FindAssociatedGlobal(aCx, aObject->GetParentObject()));
  if (!global) {
    return false;
  }
  MOZ_ASSERT(JS_IsGlobalObject(global));
  MOZ_ASSERT(JS::ObjectIsNotGray(global));

  // That might have ended up wrapping us already, due to the wonders
  // of XBL.  Check for that, and bail out as needed.
  aReflector.set(aCache->GetWrapper());
  if (aReflector) {
#ifdef DEBUG
    AssertReflectorHasGivenProto(aCx, aReflector, aGivenProto);
#endif // DEBUG
    return true;
  }

  JSAutoRealm ar(aCx, global);
  JS::Handle<JSObject*> canonicalProto = GetProtoObjectHandle(aCx);
  if (!canonicalProto) {
    return false;
  }
  JS::Rooted<JSObject*> proto(aCx);
  if (aGivenProto) {
    proto = aGivenProto;
    // Unfortunately, while aGivenProto was in the compartment of aCx
    // coming in, we changed compartments to that of "parent" so may need
    // to wrap the proto here.
    if (js::GetContextCompartment(aCx) != js::GetObjectCompartment(proto)) {
      if (!JS_WrapObject(aCx, &proto)) {
        return false;
      }
    }
  } else {
    proto = canonicalProto;
  }

  BindingJSObjectCreator<mozilla::dom::RTCRtpSender> creator(aCx);
  creator.CreateObject(aCx, sClass.ToJSClass(), proto, aObject, aReflector);
  if (!aReflector) {
    return false;
  }

  aCache->SetWrapper(aReflector);
  creator.InitializationSucceeded();

  MOZ_ASSERT(aCache->GetWrapperPreserveColor() &&
             aCache->GetWrapperPreserveColor() == aReflector);
  // If proto != canonicalProto, we have to preserve our wrapper;
  // otherwise we won't be able to properly recreate it later, since
  // we won't know what proto to use.  Note that we don't check
  // aGivenProto here, since it's entirely possible (and even
  // somewhat common) to have a non-null aGivenProto which is the
  // same as canonicalProto.
  if (proto != canonicalProto) {
    PreserveWrapper(aObject);
  }

  return true;
}

const NativePropertyHooks sNativePropertyHooks[] = { {
  nullptr,
  nullptr,
  nullptr,
  { sNativeProperties.Upcast(), sChromeOnlyNativeProperties.Upcast() },
  prototypes::id::RTCRtpSender,
  constructors::id::RTCRtpSender,
  nullptr,
  &DefaultXrayExpandoObjectClass
} };

void
CreateInterfaceObjects(JSContext* aCx, JS::Handle<JSObject*> aGlobal, ProtoAndIfaceCache& aProtoAndIfaceCache, bool aDefineOnGlobal)
{
  JS::Rooted<JSObject*> parentProto(aCx, JS::GetRealmObjectPrototype(aCx));
  if (!parentProto) {
    return;
  }

  JS::Rooted<JSObject*> constructorProto(aCx, JS::GetRealmFunctionPrototype(aCx));
  if (!constructorProto) {
    return;
  }

  static bool sIdsInited = false;
  if (!sIdsInited && NS_IsMainThread()) {
    if (!InitIds(aCx, sNativeProperties.Upcast())) {
      return;
    }
    if (!InitIds(aCx, sChromeOnlyNativeProperties.Upcast())) {
      return;
    }
    sIdsInited = true;
  }

  static bool sPrefCachesInited = false;
  if (!sPrefCachesInited && NS_IsMainThread()) {
    sPrefCachesInited = true;
    Preferences::AddBoolVarCache(&sAttributes[1].disablers->enabled, "media.peerconnection.dtmf.enabled");
  }

  JS::Heap<JSObject*>* protoCache = &aProtoAndIfaceCache.EntrySlotOrCreate(prototypes::id::RTCRtpSender);
  JS::Heap<JSObject*>* interfaceCache = &aProtoAndIfaceCache.EntrySlotOrCreate(constructors::id::RTCRtpSender);
  dom::CreateInterfaceObjects(aCx, aGlobal, parentProto,
                              &sPrototypeClass.mBase, protoCache,
                              nullptr,
                              constructorProto, &sInterfaceObjectClass.mBase, 0, nullptr,
                              interfaceCache,
                              sNativeProperties.Upcast(),
                              sChromeOnlyNativeProperties.Upcast(),
                              "RTCRtpSender", aDefineOnGlobal,
                              nullptr,
                              false);
}

JSObject*
GetConstructorObject(JSContext* aCx)
{
  return GetConstructorObjectHandle(aCx);
}

} // namespace RTCRtpSender_Binding



already_AddRefed<Promise>
RTCRtpSenderJSImpl::SetParameters(const RTCRtpParameters& parameters, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.setParameters", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return nullptr;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return nullptr;
  }
  unsigned argc = 1;

  do {
    if (!parameters.ToObjectInternal(cx, argv[0])) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->setParameters_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return nullptr;
  }
  RefPtr<Promise> rvalDecl;
  { // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
    // etc.

    JS::Rooted<JSObject*> globalObj(cx);
    if (!rval.isObject()) {
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpSender.setParameters"));
      return nullptr;
    }
    JSObject* unwrappedVal = js::CheckedUnwrap(&rval.toObject());
    if (!unwrappedVal) {
      // A slight lie, but not much of one, for a dead object wrapper.
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpSender.setParameters"));
      return nullptr;
    }
    globalObj = JS::GetNonCCWObjectGlobal(unwrappedVal);
    JSAutoRealm ar(cx, globalObj);
    GlobalObject promiseGlobal(cx, globalObj);
    if (promiseGlobal.Failed()) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }

    JS::Rooted<JS::Value> valueToResolve(cx, rval);
    if (!JS_WrapValue(cx, &valueToResolve)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    binding_detail::FastErrorResult promiseRv;
    nsCOMPtr<nsIGlobalObject> global =
      do_QueryInterface(promiseGlobal.GetAsSupports());
    if (!global) {
      promiseRv.ThrowWithCustomCleanup(NS_ERROR_UNEXPECTED);
      MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    rvalDecl = Promise::Resolve(global, cx, valueToResolve,
                                    promiseRv);
    if (promiseRv.MaybeSetPendingException(cx)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
  }
  return rvalDecl.forget();
}

void
RTCRtpSenderJSImpl::GetParameters(RTCRtpParameters& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.getParameters", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->getParameters_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::empty(), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
  RTCRtpParameters& rvalDecl(aRetVal);
  if (!rvalDecl.Init(cx, rval,  "Return value of RTCRtpSender.getParameters", false)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
}

already_AddRefed<Promise>
RTCRtpSenderJSImpl::ReplaceTrack(MediaStreamTrack* withTrack, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.replaceTrack", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return nullptr;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return nullptr;
  }
  unsigned argc = 1;

  do {
    if (!withTrack) {
      argv[0].setNull();
      break;
    }
    if (!GetOrCreateDOMReflector(cx, withTrack, argv[0])) {
      MOZ_ASSERT(JS_IsExceptionPending(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->replaceTrack_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return nullptr;
  }
  RefPtr<Promise> rvalDecl;
  { // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
    // etc.

    JS::Rooted<JSObject*> globalObj(cx);
    if (!rval.isObject()) {
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpSender.replaceTrack"));
      return nullptr;
    }
    JSObject* unwrappedVal = js::CheckedUnwrap(&rval.toObject());
    if (!unwrappedVal) {
      // A slight lie, but not much of one, for a dead object wrapper.
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpSender.replaceTrack"));
      return nullptr;
    }
    globalObj = JS::GetNonCCWObjectGlobal(unwrappedVal);
    JSAutoRealm ar(cx, globalObj);
    GlobalObject promiseGlobal(cx, globalObj);
    if (promiseGlobal.Failed()) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }

    JS::Rooted<JS::Value> valueToResolve(cx, rval);
    if (!JS_WrapValue(cx, &valueToResolve)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    binding_detail::FastErrorResult promiseRv;
    nsCOMPtr<nsIGlobalObject> global =
      do_QueryInterface(promiseGlobal.GetAsSupports());
    if (!global) {
      promiseRv.ThrowWithCustomCleanup(NS_ERROR_UNEXPECTED);
      MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    rvalDecl = Promise::Resolve(global, cx, valueToResolve,
                                    promiseRv);
    if (promiseRv.MaybeSetPendingException(cx)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
  }
  return rvalDecl.forget();
}

already_AddRefed<Promise>
RTCRtpSenderJSImpl::GetStats(ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.getStats", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return nullptr;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->getStats_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::empty(), &rval)) {
    aRv.NoteJSContextException(cx);
    return nullptr;
  }
  RefPtr<Promise> rvalDecl;
  { // Scope for our GlobalObject, FastErrorResult, JSAutoRealm,
    // etc.

    JS::Rooted<JSObject*> globalObj(cx);
    if (!rval.isObject()) {
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpSender.getStats"));
      return nullptr;
    }
    JSObject* unwrappedVal = js::CheckedUnwrap(&rval.toObject());
    if (!unwrappedVal) {
      // A slight lie, but not much of one, for a dead object wrapper.
      aRv.ThrowTypeError<MSG_NOT_OBJECT>(NS_LITERAL_STRING("return value of RTCRtpSender.getStats"));
      return nullptr;
    }
    globalObj = JS::GetNonCCWObjectGlobal(unwrappedVal);
    JSAutoRealm ar(cx, globalObj);
    GlobalObject promiseGlobal(cx, globalObj);
    if (promiseGlobal.Failed()) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }

    JS::Rooted<JS::Value> valueToResolve(cx, rval);
    if (!JS_WrapValue(cx, &valueToResolve)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    binding_detail::FastErrorResult promiseRv;
    nsCOMPtr<nsIGlobalObject> global =
      do_QueryInterface(promiseGlobal.GetAsSupports());
    if (!global) {
      promiseRv.ThrowWithCustomCleanup(NS_ERROR_UNEXPECTED);
      MOZ_ALWAYS_TRUE(promiseRv.MaybeSetPendingException(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
    rvalDecl = Promise::Resolve(global, cx, valueToResolve,
                                    promiseRv);
    if (promiseRv.MaybeSetPendingException(cx)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return nullptr;
    }
  }
  return rvalDecl.forget();
}

void
RTCRtpSenderJSImpl::GetStreams(nsTArray<RefPtr<DOMMediaStream>>& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.getStreams", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->getStreams_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::empty(), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
  Sequence<RefPtr<mozilla::DOMMediaStream>> rvalDecl;
  if (rval.isObject()) {
    JS::ForOfIterator iter(cx);
    if (!iter.init(rval, JS::ForOfIterator::AllowNonIterable)) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    if (!iter.valueIsIterable()) {
      ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Return value of RTCRtpSender.getStreams");
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    Sequence<RefPtr<mozilla::DOMMediaStream>> &arr = rvalDecl;
    JS::Rooted<JS::Value> temp(cx);
    while (true) {
      bool done;
      if (!iter.next(&temp, &done)) {
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
      if (done) {
        break;
      }
      RefPtr<mozilla::DOMMediaStream>* slotPtr = arr.AppendElement(mozilla::fallible);
      if (!slotPtr) {
        JS_ReportOutOfMemory(cx);
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
      RefPtr<mozilla::DOMMediaStream>& slot = *slotPtr;
      if (temp.isObject()) {
        static_assert(IsRefcounted<mozilla::DOMMediaStream>::value, "We can only store refcounted classes.");{
          nsresult rv = UnwrapObject<prototypes::id::MediaStream, mozilla::DOMMediaStream>(&temp, slot);
          if (NS_FAILED(rv)) {
            ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Element of return value of RTCRtpSender.getStreams", "MediaStream");
            aRv.Throw(NS_ERROR_UNEXPECTED);
            return;
          }
        }
      } else {
        ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Element of return value of RTCRtpSender.getStreams");
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return;
      }
    }
  } else {
    ThrowErrorMessage(cx, MSG_NOT_SEQUENCE, "Return value of RTCRtpSender.getStreams");
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  aRetVal.SwapElements(rvalDecl);
}

void
RTCRtpSenderJSImpl::SetStreams(const Sequence<OwningNonNull<DOMMediaStream>>& streams, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.setStreams", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return;
  }
  unsigned argc = 1;

  do {

    uint32_t length = streams.Length();
    JS::Rooted<JSObject*> returnArray(cx, JS_NewArrayObject(cx, length));
    if (!returnArray) {
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    // Scope for 'tmp'
    {
      JS::Rooted<JS::Value> tmp(cx);
      for (uint32_t sequenceIdx0 = 0; sequenceIdx0 < length; ++sequenceIdx0) {
        // Control block to let us common up the JS_DefineElement calls when there
        // are different ways to succeed at wrapping the object.
        do {
          if (!GetOrCreateDOMReflector(cx, streams[sequenceIdx0], &tmp)) {
            MOZ_ASSERT(JS_IsExceptionPending(cx));
            aRv.Throw(NS_ERROR_UNEXPECTED);
            return;
          }
          break;
        } while (false);
        if (!JS_DefineElement(cx, returnArray, sequenceIdx0, tmp,
                              JSPROP_ENUMERATE)) {
          aRv.Throw(NS_ERROR_UNEXPECTED);
          return;
        }
      }
    }
    argv[0].setObject(*returnArray);
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->setStreams_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
}

void
RTCRtpSenderJSImpl::SetTrack(MediaStreamTrack* track, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.setTrack", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return;
  }
  unsigned argc = 1;

  do {
    if (!track) {
      argv[0].setNull();
      break;
    }
    if (!GetOrCreateDOMReflector(cx, track, argv[0])) {
      MOZ_ASSERT(JS_IsExceptionPending(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->setTrack_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
}

void
RTCRtpSenderJSImpl::CheckWasCreatedByPc(RTCPeerConnection& pc, ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.checkWasCreatedByPc", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());
  JS::AutoValueVector argv(cx);
  if (!argv.resize(1)) {
    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
    return;
  }
  unsigned argc = 1;

  do {
    if (!GetOrCreateDOMReflector(cx, pc, argv[0])) {
      MOZ_ASSERT(JS_IsExceptionPending(cx));
      aRv.Throw(NS_ERROR_UNEXPECTED);
      return;
    }
    break;
  } while (false);

  JS::Rooted<JS::Value> callable(cx);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !GetCallableProperty(cx, atomsCache->checkWasCreatedByPc_id, &callable)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return;
  }
  JS::Rooted<JS::Value> thisValue(cx, JS::ObjectValue(*mCallback));
  if (!JS::Call(cx, thisValue, callable,
                JS::HandleValueArray::subarray(argv, 0, argc), &rval)) {
    aRv.NoteJSContextException(cx);
    return;
  }
}

bool
RTCRtpSenderJSImpl::InitIds(JSContext* cx, RTCRtpSenderAtoms* atomsCache)
{
  MOZ_ASSERT(!*reinterpret_cast<jsid**>(atomsCache));

  // Initialize these in reverse order so that any failure leaves the first one
  // uninitialized.
  if (!atomsCache->checkWasCreatedByPc_id.init(cx, "checkWasCreatedByPc") ||
      !atomsCache->setTrack_id.init(cx, "setTrack") ||
      !atomsCache->setStreams_id.init(cx, "setStreams") ||
      !atomsCache->getStreams_id.init(cx, "getStreams") ||
      !atomsCache->dtmf_id.init(cx, "dtmf") ||
      !atomsCache->getStats_id.init(cx, "getStats") ||
      !atomsCache->replaceTrack_id.init(cx, "replaceTrack") ||
      !atomsCache->getParameters_id.init(cx, "getParameters") ||
      !atomsCache->setParameters_id.init(cx, "setParameters") ||
      !atomsCache->track_id.init(cx, "track")) {
    return false;
  }
  return true;
}


already_AddRefed<MediaStreamTrack>
RTCRtpSenderJSImpl::GetTrack(ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.track", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return nullptr;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JSObject *> callback(cx, mCallback);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !JS_GetPropertyById(cx, callback, atomsCache->track_id, &rval)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  RefPtr<mozilla::dom::MediaStreamTrack> rvalDecl;
  if (rval.isObject()) {
    static_assert(IsRefcounted<mozilla::dom::MediaStreamTrack>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::MediaStreamTrack, mozilla::dom::MediaStreamTrack>(rval, rvalDecl);
      if (NS_FAILED(rv)) {
        ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Return value of RTCRtpSender.track", "MediaStreamTrack");
        aRv.Throw(NS_ERROR_UNEXPECTED);
        return nullptr;
      }
    }
  } else if (rval.isNullOrUndefined()) {
    rvalDecl = nullptr;
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Return value of RTCRtpSender.track");
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  return rvalDecl.forget();
}

already_AddRefed<RTCDTMFSender>
RTCRtpSenderJSImpl::GetDtmf(ErrorResult& aRv, JS::Realm* aRealm)
{
  CallSetup s(this, aRv, "RTCRtpSender.dtmf", eRethrowContentExceptions, aRealm, /* aIsJSImplementedWebIDL = */ true);
  JSContext* cx = s.GetContext();
  if (!cx) {
    MOZ_ASSERT(aRv.Failed());
    return nullptr;
  }
  JS::Rooted<JS::Value> rval(cx, JS::UndefinedValue());

  JS::Rooted<JSObject *> callback(cx, mCallback);
  RTCRtpSenderAtoms* atomsCache = GetAtomCache<RTCRtpSenderAtoms>(cx);
  if ((!*reinterpret_cast<jsid**>(atomsCache) && !InitIds(cx, atomsCache)) ||
      !JS_GetPropertyById(cx, callback, atomsCache->dtmf_id, &rval)) {
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  RefPtr<mozilla::dom::RTCDTMFSender> rvalDecl;
  if (rval.isObject()) {
    static_assert(IsRefcounted<mozilla::dom::RTCDTMFSender>::value, "We can only store refcounted classes.");{
      nsresult rv = UnwrapObject<prototypes::id::RTCDTMFSender, mozilla::dom::RTCDTMFSender>(rval, rvalDecl);
      if (NS_FAILED(rv)) {
        // Be careful to not wrap random DOM objects here, even if
        // they're wrapped in opaque security wrappers for some reason.
        // XXXbz Wish we could check for a JS-implemented object
        // that already has a content reflection...
        if (!IsDOMObject(js::UncheckedUnwrap(&rval.toObject()))) {
          nsCOMPtr<nsIGlobalObject> contentGlobal;
          JS::Handle<JSObject*> callback = CallbackOrNull();
          if (!callback ||
              !GetContentGlobalForJSImplementedObject(cx, callback, getter_AddRefs(contentGlobal))) {
            aRv.Throw(NS_ERROR_UNEXPECTED);
            return nullptr;
          }
          JS::Rooted<JSObject*> jsImplSourceObj(cx, &rval.toObject());
          MOZ_RELEASE_ASSERT(!js::IsWrapper(jsImplSourceObj),
                             "Don't return JS implementations from other compartments");
          JS::Rooted<JSObject*> jsImplSourceGlobal(cx, JS::GetNonCCWObjectGlobal(jsImplSourceObj));
          rvalDecl = new mozilla::dom::RTCDTMFSender(jsImplSourceObj, jsImplSourceGlobal, contentGlobal);
        } else {
          ThrowErrorMessage(cx, MSG_DOES_NOT_IMPLEMENT_INTERFACE, "Return value of RTCRtpSender.dtmf", "RTCDTMFSender");
          aRv.Throw(NS_ERROR_UNEXPECTED);
          return nullptr;
        }
      }
    }
  } else if (rval.isNullOrUndefined()) {
    rvalDecl = nullptr;
  } else {
    ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Return value of RTCRtpSender.dtmf");
    aRv.Throw(NS_ERROR_UNEXPECTED);
    return nullptr;
  }
  return rvalDecl.forget();
}


NS_IMPL_CYCLE_COLLECTION_CLASS(RTCRtpSender)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(RTCRtpSender)
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mImpl)
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)
  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
  tmp->ClearWeakReferences();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(RTCRtpSender)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mImpl)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(RTCRtpSender)
NS_IMPL_CYCLE_COLLECTING_ADDREF(RTCRtpSender)
NS_IMPL_CYCLE_COLLECTING_RELEASE(RTCRtpSender)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RTCRtpSender)
  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  NS_INTERFACE_MAP_ENTRY(nsISupports)
  NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END

RTCRtpSender::RTCRtpSender(JS::Handle<JSObject*> aJSImplObject, JS::Handle<JSObject*> aJSImplGlobal, nsIGlobalObject* aParent)
  : mImpl(new RTCRtpSenderJSImpl(nullptr, aJSImplObject, aJSImplGlobal, /* aIncumbentGlobal = */ nullptr)),
    mParent(aParent)
{
}


RTCRtpSender::~RTCRtpSender()
{
}

nsISupports*
RTCRtpSender::GetParentObject() const
{
  return mParent;
}

JSObject*
RTCRtpSender::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
  JS::Rooted<JSObject*> obj(aCx, RTCRtpSender_Binding::Wrap(aCx, this, aGivenProto));
  if (!obj) {
    return nullptr;
  }

  // Now define it on our chrome object
  JSAutoRealm ar(aCx, mImpl->CallbackGlobalOrNull());
  if (!JS_WrapObject(aCx, &obj)) {
    return nullptr;
  }
  if (!JS_DefineProperty(aCx, mImpl->CallbackOrNull(), "__DOM_IMPL__", obj, 0)) {
    return nullptr;
  }
  return obj;
}

// Return a raw pointer here to avoid refcounting, but make sure it's safe (the object should be kept alive by the callee).
already_AddRefed<MediaStreamTrack>
RTCRtpSender::GetTrack(ErrorResult& aRv, JS::Realm* aRealm) const
{
  return mImpl->GetTrack(aRv, aRealm);
}

// Return a raw pointer here to avoid refcounting, but make sure it's safe (the object should be kept alive by the callee).
already_AddRefed<Promise>
RTCRtpSender::SetParameters(const RTCRtpParameters& parameters, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->SetParameters(parameters, aRv, aRealm);
}

void
RTCRtpSender::GetParameters(RTCRtpParameters& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->GetParameters(aRetVal, aRv, aRealm);
}

// Return a raw pointer here to avoid refcounting, but make sure it's safe (the object should be kept alive by the callee).
already_AddRefed<Promise>
RTCRtpSender::ReplaceTrack(MediaStreamTrack* withTrack, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->ReplaceTrack(withTrack, aRv, aRealm);
}

// Return a raw pointer here to avoid refcounting, but make sure it's safe (the object should be kept alive by the callee).
already_AddRefed<Promise>
RTCRtpSender::GetStats(ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->GetStats(aRv, aRealm);
}

// Return a raw pointer here to avoid refcounting, but make sure it's safe (the object should be kept alive by the callee).
already_AddRefed<RTCDTMFSender>
RTCRtpSender::GetDtmf(ErrorResult& aRv, JS::Realm* aRealm) const
{
  return mImpl->GetDtmf(aRv, aRealm);
}

void
RTCRtpSender::GetStreams(nsTArray<RefPtr<DOMMediaStream>>& aRetVal, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->GetStreams(aRetVal, aRv, aRealm);
}

void
RTCRtpSender::SetStreams(const Sequence<OwningNonNull<DOMMediaStream>>& streams, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->SetStreams(streams, aRv, aRealm);
}

void
RTCRtpSender::SetTrack(MediaStreamTrack* track, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->SetTrack(track, aRv, aRealm);
}

void
RTCRtpSender::CheckWasCreatedByPc(RTCPeerConnection& pc, ErrorResult& aRv, JS::Realm* aRealm)
{
  return mImpl->CheckWasCreatedByPc(pc, aRv, aRealm);
}

bool
RTCRtpSender::_Create(JSContext* cx, unsigned argc, JS::Value* vp)
{
  JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
  if (args.length() < 2) {
    return ThrowErrorMessage(cx, MSG_MISSING_ARGUMENTS, "RTCRtpSender._create");
  }
  if (!args[0].isObject()) {
    return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 1 of RTCRtpSender._create");
  }
  if (!args[1].isObject()) {
    return ThrowErrorMessage(cx, MSG_NOT_OBJECT, "Argument 2 of RTCRtpSender._create");
  }

  // GlobalObject will go through wrappers as needed for us, and
  // is simpler than the right UnwrapArg incantation.
  GlobalObject global(cx, &args[0].toObject());
  if (global.Failed()) {
    return false;
  }
  nsCOMPtr<nsIGlobalObject> globalHolder = do_QueryInterface(global.GetAsSupports());
  MOZ_ASSERT(globalHolder);
  JS::Rooted<JSObject*> arg(cx, &args[1].toObject());
  JS::Rooted<JSObject*> argGlobal(cx, JS::CurrentGlobalOrNull(cx));
  RefPtr<RTCRtpSender> impl = new RTCRtpSender(arg, argGlobal, globalHolder);
  MOZ_ASSERT(js::IsObjectInContextCompartment(arg, cx));
  return GetOrCreateDOMReflector(cx, impl, args.rval());
}


} // namespace dom
} // namespace mozilla

Coverage Report

Created: 2018-09-25 14:53